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Prediction of deformation and hygro-thermal stresses distribution in PEM fuel cell vehicle using threedimensional CFD model

Prediction of deformation and hygro-thermal stresses distribution in PEM fuel cell vehicle using threedimensional CFD model

Prediction of deformation and hygro-thermal stresses distribution in PEM fuel cell vehicle using threedimensional CFD model

. fluid dynamics model of a PEM fuel cell has been developed to simulate the stresses inside the PEM fuel cell, which are occurring during fuel cell assembly. hygro and thermal stresses into non-isothermal three- dimensional CFD model of PEM fuel cell to simulate the hygro and thermal stresses in one part of the fuel...
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Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones

Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones

. Micro -PEM fuel cell, Mobile phone. 1. Introduction Fuel cells are growing in importance as sources of sustainable energy and will doubtless form part of the. power density and the corresponding current density increase with decreasing height of the fuel cell, decreasing ambient temperature and increasing ambient...
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A CFD study of hygro-thermal stresses distribution in tubular-shaped ambient air-breathing PEM micro fuel cell during regular cell operation

A CFD study of hygro-thermal stresses distribution in tubular-shaped ambient air-breathing PEM micro fuel cell during regular cell operation

. fuel cell systems. The stresses distribution in the fuel cells is affected by operating point (cell voltage and related current density). The stresses distribution. occurrence of cracks and pinholes in the fuel cells components under steady–state loading during regular cell operation, especially in the high loading conditions....
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A CFD analysis on the effect of ambient conditions on the hygro-thermal stresses distribution in a planar ambient airbreathing PEM fuel cell

A CFD analysis on the effect of ambient conditions on the hygro-thermal stresses distribution in a planar ambient airbreathing PEM fuel cell

. domain of a planar ambient air-breathing PEM fuel cell and (b) longitudinal cross section of 3 -cell fuel cell stack International Journal of Energy and. membranes used in fuel cells is a major factor in the operating lifetime of fuel cell systems. The stresses distribution in the air-breathing fuel cells is affected...
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MUTAGENIC INDUCTION OF AGRONOMICAL AND YIELD CONTRIBUTING TRAITS IN SOYBEAN (GLYCINE MAX (L.) MERRILL) WITH GAMMA IRRADIATION

MUTAGENIC INDUCTION OF AGRONOMICAL AND YIELD CONTRIBUTING TRAITS IN SOYBEAN (GLYCINE MAX (L.) MERRILL) WITH GAMMA IRRADIATION

... generating variability have gained greater importance in breeding of crop plants including soybean and may serve as supplements to conventional breeding methods. In this context, mutation breeding ... (albina) and B (chlorina) in cultivar DT12; C (albina) in cultivar DVN6 Aa B Fig. 2. Changes in lea ves: A. petafoliate in ĐT12; B. tetra foliate in ĐT20 A B Fig. 3. Changes in pla nt height and ... and branching habit. A. shortened plant height with early branching in ĐT12; B. no branching in ĐVN6 581 Mutagenic induction of agronomical and yield contributing traits in soybean (Glycine max...
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Sensibility study of flooding and drying issues to the operating conditions in PEM fuel cells

Sensibility study of flooding and drying issues to the operating conditions in PEM fuel cells

. temperature in the cell. The main mechanisms driving the cell performances were thus pointed out. Using models, the main influences of the operating parameters. Schematic of mass transfer phenomena in PEM fuel cells The main assumptions considered in the model are as follows [19]: • The model is a pseudo 2D model. The model...
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A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell

A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell

. transfer; CFD. 1. Introduction Modelling and simulation play significant roles in fully characterizing a PEM fuel cell. Changes in operating conditions and physical. CFD modeling and simulation for heat and mass transport in PEM fuel cells are being used extensively in researches and industrial applications to gain better...
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Regulation of navigation and vessel-source pollution in the Northern Sea Route - Article 234 and state practice

Regulation of navigation and vessel-source pollution in the Northern Sea Route - Article 234 and state practice

... must satisfy special crewing and training requirementsfor navigating in ice.56For the USA, requirements as to manning, training,qualifications and watchkeeping standards for foreign tankers ... within the inland waters, territorialsea or EEZ adjoining the USSR northern coast and that it includes seaways suitablefor guiding vessels in ice. Due to the vagueness concerning leading in ... leading, including with radio, aircraft and conventional pilot, may have counterparts in the provisions of the OPA53 and the1990 Oil Terminal and Oil Tanker Environmental Oversight and Monitoring...
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A contrastive study of grammatical and semantic features of words and idiom denoting unhappiness in english and vietnamese

A contrastive study of grammatical and semantic features of words and idiom denoting unhappiness in english and vietnamese

... Van Lam in An Investigation into the English Words and Idioms Denoting Happiness (2002) presents some interesting findings on teaching and learning vocabulary in terms of the meaning of new ... English and Vietnamese words and idioms including words and idioms expressing unhappiness in English and Vietnamese, and reduce the risk of committing errors when using these words and idioms. ... words and idioms expressing unhappiness in English and Vietnamese. - Offer some suggestions for teaching and learning English and Vietnamese in general and for the translation work of words and...
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